Home / 8,160.32-12,249.12-3,546.56

Finding the Fourth Proportional to 8,160.32, 12,249.12 and 3,546.56

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Solution

The fourth proportional to 8,160.32, 12,249.12 and 3,546.56 is: 5,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.32 : 12,249.12 = 3,546.56 : x
  2. Step 2: Convert to fraction form
    8,160.32/12,249.12 = 3,546.56/x
  3. Step 3: Cross multiply
    8,160.32x = 12,249.12 × 3,546.56
  4. Step 4: Simplify right side
    8,160.32x = 43,442,239.03
  5. Step 5: Solve for x
    x = 43,442,239.03/8,160.32
  6. Step 6: Final answer
    x = 5,323.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.